make sure

idiom

: to find out or do something so that one has no doubt about whether something is true, correct, will happen, etc.
Make sure (that) you turn the oven off.
They made sure everyone knew where they were supposed to be.

Examples of make sure in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
As an advisor at James Lick, Roberta Cabigas said her role on campus is to make sure everyone leaves alive at the end of the school day. Molly Gibbs, Mercury News, 23 Jan. 2026 Please make sure your notifications are set up correctly in Parent Self Serve. Brayden Garcia, Fort Worth Star-Telegram, 22 Jan. 2026 While the state agency was in charge of defending its assessment, Neff and Spearman wanted to make sure that the interests of their counties were represented. Jim Woods, Chicago Tribune, 22 Jan. 2026 Henry said his crews will work to make sure that continues through the storm. Louisa Moller, CBS News, 22 Jan. 2026 See All Example Sentences for make sure

Browse Nearby Words

Cite this Entry

“Make sure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/make%20sure. Accessed 29 Jan. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!